Exposure
- ID
- GRAVI.2021-05-24T08:30:09.043_2
- Header ID
- GRAVI.2021-05-24T08:30:09.043
- Date updated
- 2021-05-24 08:45:28 UTC+0000
- Release date
- 2022-05-24 08:45:28 UTC+0000
- UTC Start
- 2021-05-24 08:30:09.043
- UTC End
- 2021-05-24 08:35:29.043
- MJD Start
- 59358.35427133
- MJD End
- 59358.3579750337
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003037
- Ambient temperature (°C)
- 11.49
- Seeing (arcsec)
- 1.025
Observation
- ID
- 47451
- Category
- science
- Program ID
- 105.20B2.002
- Program Title
- THE GALACTIC CENTER AT UNPRECEDENTED RESOLUTION - PROBING GENERAL RELATIVITY WITH GRAVITY
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ PERRIN/ STRAUBMEIER/ ROUSSELET-PERRAUT/ GARCIA/ BRANDNER/ GENZEL/ ECKART/ PAUMARD/ CL'ENET/ GAO/ HABIBI/ HORROBIN/ KERVELLA/ OTT/ WIDMANN/ VON FELLENBERG/ HENNING/ PFUHL/ WAISBERG/ DEXTER/ DE ZEEUW/ AMORIM
Target
- ID
- 35588
- Name
- IRS16C
- RA
- 266.4171125
- DEC
- -29.0076491944444
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 53.4620 | 53.2110 | 37.2000 | 37.5000 |
| U1-U3 | 95.3830 | 94.8060 | 43.5000 | 43.8000 |
| U1-U4 | 114.5880 | 113.2610 | 73.5000 | 74.0020 |
| U2-U3 | 42.6450 | 42.3150 | 51.4000 | 51.7000 |
| U2-U4 | 78.2040 | 77.2430 | 97.3780 | 98.1720 |
| U3-U4 | 57.4710 | 57.0520 | 129.6490 | 130.7000 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20B2.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59358.35427133 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416898 |
| DEC | -29.00719 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 342.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 53.462 |
| HIERARCH ESO ISS PBL12 END | 53.211 |
| HIERARCH ESO ISS PBLA12 START | 37.2 |
| HIERARCH ESO ISS PBLA12 END | 37.5 |
| HIERARCH ESO ISS PBL13 START | 95.383 |
| HIERARCH ESO ISS PBL13 END | 94.806 |
| HIERARCH ESO ISS PBLA13 START | 43.5 |
| HIERARCH ESO ISS PBLA13 END | 43.8 |
| HIERARCH ESO ISS PBL14 START | 114.588 |
| HIERARCH ESO ISS PBL14 END | 113.261 |
| HIERARCH ESO ISS PBLA14 START | 73.5 |
| HIERARCH ESO ISS PBLA14 END | 74.002 |
| HIERARCH ESO ISS PBL23 START | 42.645 |
| HIERARCH ESO ISS PBL23 END | 42.315 |
| HIERARCH ESO ISS PBLA23 START | 51.4 |
| HIERARCH ESO ISS PBLA23 END | 51.7 |
| HIERARCH ESO ISS PBL24 START | 78.204 |
| HIERARCH ESO ISS PBL24 END | 77.243 |
| HIERARCH ESO ISS PBLA24 START | 97.378 |
| HIERARCH ESO ISS PBLA24 END | 98.172 |
| HIERARCH ESO ISS PBL34 START | 57.471 |
| HIERARCH ESO ISS PBL34 END | 57.052 |
| HIERARCH ESO ISS PBLA34 START | 129.649 |
| HIERARCH ESO ISS PBLA34 END | 130.7 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003037 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003037 |
| HIERARCH ESO ISS AMBI TEMP | 11.49 |
| HIERARCH ESO ISS AMBI FWHM START | 1.06 |
| HIERARCH ESO ISS AMBI FWHM END | 0.99 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |